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Re: [Libunwind-devel] tests/Gperf-trace.c does not compile on uCLibC


From: Sven Neumann
Subject: Re: [Libunwind-devel] tests/Gperf-trace.c does not compile on uCLibC
Date: Wed, 17 Aug 2011 16:43:18 +0200

On Wed, 2011-08-17 at 16:47 +0300, Konstantin Belousov wrote:
> On Wed, Aug 17, 2011 at 03:31:09PM +0200, Sven Neumann wrote:
> > Hi,
> > 
> > by default uCLibC does not include for the backtrace function (it can be
> > enabled on some platforms though). Thus the Gperf-trace test in
> > libunwind does not compile. I suggest that a configure check for
> > backtrace() is added.
> > 
> > I've tested this with libunwind-1.0-rc1.
> backtrace(3) is only needed for tests, as you noted. libunwind already allows
> the backtrace(3) to come from libexecinfo, this was done for FreeBSD
> that also does not implement backtrace in libc. Requiring a library
> for testing is reasonable, IMO.

Then perhaps the easiest solution is to add a configure option to skip
all tests. That would allow building on platforms where the tests don't
compile easily.


Sven





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